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EWG's Tap Water Database — 2019 UPDATE

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Endothall

City of Mount Dora

Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND50ND
2015ND10ND
2016N/A00N/A
2017ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 94 ppb

The EWG Health Guideline of 94 ppb for endothall was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for endothall, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Result
2014-01-27ND
2014-04-10ND
2014-06-25ND
2014-09-16ND
2014-12-16ND
2015-03-04ND
2017-01-24ND
2017-03-06ND
2017-05-08ND
2017-05-08ND